Extract Media Center Audio – wtv2mp3

This little utility will convert the audio stream from a Media Center wtv file to an mp3 file. See this posting for more details.

Files

  1. wtv2mp3.exe
  2. LAME 3.98.2 dll (lame_enc.dll)
  3. LAME DirectShow filter 3.98.2 (lame.ax)
  4. LAME (full distribution) was found here
  5. LAME DirectShow (full distribution) was found here
  6. Source code for wtv2mp3.exe

Setup instructions

  1. Create a directory – e.g. c:\convert_audio
  2. Place wtv2mp3.exe, lame_enc.dll and lame.ax in there
  3. Register the lame.ax DirectShow filter
    1. Open a Cmd window as Administrator
    2. regsvr32 c:\convert_audio\lame.ax

Usage

It’s designed to be run within scripts, so there’s no fancy GUI – just run it from a command prompt with no parameters to see the options, but basically

wtv2mp3 a_recording.wtv a_recording.mp3

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12 Responses to “Extract Media Center Audio – wtv2mp3”

  1. paul says:
    September 1, 2010 at 3:07 pm

    i may make use of this as i do record the odd radio station over freeview, so thanks for the app!.

    cheers,
    paul.

  2. Arthur says:
    November 12, 2010 at 12:11 pm

    Thanks, I had the same challenge. Your solution works like a dream!

  3. Wiz says:
    November 25, 2010 at 11:31 pm

    Many thanks,

    It took me ages to find this but it did just what I want no messing about. Many thanks

  4. Tony says:
    December 8, 2010 at 1:28 pm

    Hi

    I just used wtv2mp3 and it did the job almost perfectly – thanks. The ‘lmost’ is just that the output was 128kbps; I’m pretty sure the source sounds better so a higher streaming rate should improve the sound. Is there a way to up the output to, say, 192k? (I’ve read the ‘See this’ referred to above, but it’s a bit beyond me.)

    Thanks
    Tony

  5. John Mck says:
    January 10, 2011 at 9:30 pm

    Hi,

    Just wanted to say thanks. This was exactly what I was looking for and worked great,

    Cheers
    John

  6. John a. says:
    February 6, 2011 at 9:21 am

    Does what it says and fast too. Just some comments on the instructions.

    1 In windows 7 cmd needs to be run as administrator or lame.ax will not register.
    2 The command is regsvr32 not 2.regsrvr32 – probably a late night typo ?
    3 I found that it is easiest to put the file to be converted in the same folder as the convert tools.

    Many thanks for the tool.

    John a.

  7. Stijn says:
    February 11, 2011 at 10:08 am

    it’s ‘regsrv32′ not ‘regsrvr32′

  8. Jack says:
    December 9, 2011 at 2:22 pm

    hi
    i followed your setup instructions but i get this message in cmd: “regsrvr32 is not recognized as an internal or external command, operable program or batch file.”
    i’m using win7 home premium 32-bit,
    i appreciate any advice.

  9. fmw says:
    December 9, 2011 at 11:07 pm

    Please see the other posts (they got lost for a while – apologies to all). As has been pointed out, there was indeed a late-night typo and it’s “regsvr32″.

  10. Richrad says:
    January 2, 2012 at 11:46 am

    Fantastic! Just what I needed. Clean and simple and not cluttered by a stupid gui

  11. IanMac says:
    January 4, 2012 at 10:28 pm

    I suspect the clue is in the name regsvr32 but i’m on a windows7 64b machine what do I need to do differently? As I get the error the module lame.ax was loaded but the call to DllRegisterServer failed with error code 0×8007005

  12. IanMac says:
    January 4, 2012 at 11:06 pm

    To answer my own question – I needed to run the cmd tool as an administrator, not just be logged in as an administrator. I did this by going to start -> all programs -> accessories -> right click command prompt run as administrator. It then ran cleanly, and I was able to successfully convert the .wtv file to a .mp3 file – super tool thanks.

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